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Australian Biological Resources Study

Checklist of the Lichens of Australia and its Island Territories
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References
Menegazzia aeneofusca (Müll. Arg.) R.Sant.
  Ark. Bot. 30A(11): 13 (1942)
Parmelia aeneofusca Müll. Arg., Flora 66: 77 (1883). T: The Grampians, Vic., G.Sullivan 9; holo: G. *****Parmelia subbrunnea Stirt., Trans. & Proc. New Zealand Inst. 32: 80 (1900). T: precise locality unknown, Vic., Sullivan 11; lecto: BM, fide P.W.James & D.J.Galloway, Fl. Australia 54: 314 (1992).
  Thallus in rosettes or spreading, to 10 cm wide. Lobes to 2 mm wide, irregularly dichotomously branched, often strongly contiguous at margins, ±congested-imbricate centrally, with smooth outer lobes, glossy, centrally wrinkled-scrobiculate or corrugate, matt, olive-green, brown or blackened, sometimes green-grey centrally, often grey- or black-blotched; margins rounded or shallowly incised; apices chestnut-brown; cavity black. Perforations to 1 mm long, in median line of lobes, level with lobe surface or margin ±depressed. Lower surface black, shining, glabrous, scrobiculate, brownish at margins. Apothecia central, 0.5–2.5 mm wide, rounded; disc concave to ±flat, shining, red-brown to dark brown; exciple smooth, shining, ±ridged, thick, becoming lacerate­crenulate, shining, concolorous with thallus. Ascospores 2 per ascus, ovoid, smooth, 44–52 × 17–20 µm; wall 3 µm thick. Pycnidia scarce to clustered. Conidia 4–7 × 0.5 µm. CHEMISTRY: stictic, constictic, norstictic and menegazziaic acids and accessory compounds; medulla K+ orange, C-, KC+ orange, P+ orange.
  Occurs on alpine and subalpine rocks and sometimes soil in N.S.W., A.C.T., Vic. and Tas.; also in New Zealand.  
  James & Galloway (1992)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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